nanog mailing list archives

Re: SHA1 collisions proven possisble


From: Chris Adams <cma () cmadams net>
Date: Mon, 27 Feb 2017 08:18:35 -0600

Once upon a time, valdis.kletnieks () vt edu <valdis.kletnieks () vt edu> said:
There's only 2 certs.  You generate 2 certs with the same hash, and *then* get
the CA to sign one of them.

The point is that the signed cert you get back from the CA will have a
different hash, and the things that they change that cause the hash to
change are outside your control and prediction.

-- 
Chris Adams <cma () cmadams net>


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